-Laptop Or PC.
-This Is An Opening Earphone.
-Adjust The Suitable Volume To Avoid Possibly Disturbing The Others Around You By The Sound Coming Out From It.
-Use This Earphone In The Right Way.
-L-On Left Ear, R-On Right Ear.
-Impedance: 32Ω.
-Driver Unit: 2.5FT.
-Frequency: 30hz~10khz.
-Sensitivity: 100DB
-Cable Length: 1.8m